Finding the Fourth Proportional to 4,987.50, 7,476.72 and 3,133

Step by Step Solution

1. Step 1: Write the proportion equation
   4,987.50 : 7,476.72 = 3,133 : x
2. Step 2: Convert to fraction form
   4,987.50/7,476.72 = 3,133/x
3. Step 3: Cross multiply
   4,987.50x = 7,476.72 × 3,133
4. Step 4: Simplify right side
   4,987.50x = 23,424,563.76
5. Step 5: Solve for x
   x = 23,424,563.76/4,987.50
6. Step 6: Final answer
   x = 4,696.65